0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 1 1;
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16 0 1 1;
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16 0 1 1;
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 4 1 1;
